"...Oh." And there went all the wind out of Andrew's sails. He's been so used to not having any of her equipment at his disposal -- and, well, he'd felt all proud and manly for building a scanner that would make up for what robot-related senses James has lost. James could have built one just as well or better himself, of course, but he doesn't seem inclined to build things in general and Andrew likes to at least pretend he's useful. "Right," he says, thumbing the thing off and stuffing it in a pocket so she can't look at it and see how stupid it is anymore. "Or that. Good point."